An illumination device has a diffusive sheet that diffuses light. The sheet is fitted to a main body 3 of the illumination device by being sandwiched, in the direction of the thickness of the sheet, between the main body 3 and a frame 4 fitted thereto. The sheet has a cut formed in a portion thereof sandwiched between the frame 4 and the main body 3 to prevent bends that develop with a variation in temperature.
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December 26, 2000
December 30, 2003
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